public void IsQuadraticSolvable_Answer() { // arrange float a = 5; float b = 3; float c = 7; // act bool notSolvable = PMath.IsQuadraticSolvable(a, b, c); bool yesSolvable = PMath.IsQuadraticSolvable(a, b * 100, c); // assert Assert.IsFalse(notSolvable); Assert.IsTrue(yesSolvable); }